#ifndef NET_COMPAT_H
#define NET_COMPAT_H

struct sock;

#if defined(CONFIG_COMPAT)

#include <linux/compat.h>

struct compat_msghdr {
	compat_uptr_t msg_name;	/* void * */
	compat_int_t msg_namelen;
	compat_uptr_t msg_iov;	/* struct compat_iovec * */
	compat_size_t msg_iovlen;
	compat_uptr_t msg_control;	/* void * */
	compat_size_t msg_controllen;
	compat_uint_t msg_flags;
};

struct compat_cmsghdr {
	compat_size_t cmsg_len;
	compat_int_t cmsg_level;
	compat_int_t cmsg_type;
};

extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);

#else /* defined(CONFIG_COMPAT) */
#define compat_msghdr	msghdr	/* to avoid compiler warnings */
#endif /* defined(CONFIG_COMPAT) */

extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
extern int verify_compat_iovec(struct msghdr *, struct iovec *,
			       struct sockaddr *, int);
extern asmlinkage long compat_sys_sendmsg(int, struct compat_msghdr __user *,
					  unsigned);
extern asmlinkage long compat_sys_recvmsg(int, struct compat_msghdr __user *,
					  unsigned);
extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *,
					     int __user *);
extern int put_cmsg_compat(struct msghdr *, int, int, int, void *);

extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
					    unsigned char *, int);

extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
				int (*)(struct sock *, int, int, char __user *,
					int));
extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
				int __user *, int (*)(struct sock *, int, int,
						      char __user *,
						      int __user *));

#endif /* NET_COMPAT_H */
